%0 Journal Article %T Selection of Optimal Tunnel Route and Tunneling Method based on AHP Technique. %J Engineer: Journal of the Institution of Engineers, Sri Lanka %D 2018 %R 10.4038/engineer.v51i4.7314 %X Civil Superintendent, Eng., BTech (Eng) (OUSL), AMIE(SL), Instructor, Eng., BTech (Eng) (OUSL), AMIE(SL), NDES (IET Katunayake), Technical Officer, NDES (IET Katunayake) Senior Lecturer in Civil Engineering, Department of Civil Engineering, Eng., C. Eng., MIE(SL), MGS (SL), B.Sc. Eng. Hons.(Moratuwa), M.Sc. (Peradeniya), MBA (Moratuwa), Project Director, Broadlands Hydropower Project, Eng. (Dr.) , BSc Eng. (Hons), MSc, PhD, FIESL, FICE, MASCE, MASME, MIET, C. Eng. Int. PE(SL) %K Analytical Hierarchy Process %K Rock mass classification systems %K Rock slope stability analysis %K Drill & Blast method %K New Austrian Tunnelling method %U https://engineer.sljol.info/articles/10.4038/engineer.v51i4.7314/